Termomont Temy Plus P 20, Техническое руководство пользователя, Страница: 13 / 18

5.3 Use of temperature relief valve with obligatory filling
The temperature relief valve (shown below) must be present in the system. The valve must
be installed by a qualified technician in accordance with the instructions given in the manual from the
producer of the valve.
5.4 Fitting the boiler to an open central heating system.
The connecting scheme of an open central heating system is depicted on the figure.
When using open system on the FLOW line following elements are to be installed: safety
pipework for the open expansion vessel, boiler valve. On the RETURN line come safety return line of
the open expansion vessel, boiler valve and circulation pump valves.
Open expansion vessel is connected to the hot-water distribution pipes (FLOW and RETURN)
as shown on Figure – with an additional OVERFLOW pipe output plus CIRCULATION pipe (to prevent
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